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* * signal.c (set_sig_handler): Don't use SA_ONSTACKKaz Kylheku2014-08-013-3/+13
| | | | | | | | except for signals for which we use alt stack. * signal.h (sig_save_enable): Do sig_check before enabling async signals. This caused the !async_sig_enabled assertion to trip inside make_obj.
* * signal.c (sig_hup, sig_int, sig_quit, sig_ill, sig_trap, sig_abrt,Kaz Kylheku2014-08-013-14/+11
| | | | | | | | | | sig_bus, sig_fpe, sig_kill, sig_usr1, sig_segv, sig_usr2, sig_pipe, sig_alrm, sig_term, sig_chld, sig_cont, sig_stop, sig_tstp, sig_ttin, sig_ttou, sig_urg, sig_xcpu, sig_xfsz, sigtalrm, sig_prof, sig_poll, sig_sys, sig_winch, sig_iot, sig_stkflt, sig_io, sig_lost, sig_pwr): Remove unused global variables variables. * signal.h: Remove declarations thereof.
* * eval.c (getpid_wrap, getppid_wrap): New static functions.Kaz Kylheku2014-07-304-0/+62
| | | | | | | | | (eval_init): Registered getpid and getppid intrinsics. * signal.c (kill_wrap): New static function. (sig-init): Registered kill intrinsic function. * txr.1: Documented getpid, gettpid and kill.
* * parser.l: Allow unquotes and splices in QSPECIAL and BRACED states.Kaz Kylheku2014-07-306-7/+45
| | | | | | | | | * parser.y (quasi_item): Support splices as items. * genvim.txr: Syntax highlighting support for unquotes in quasiliterals. * txr.vim: Updated.
* * txr.vim: Updated.Kaz Kylheku2014-07-301-100/+101
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* * eval.c (eval_init): Register uniq function.Kaz Kylheku2014-07-295-0/+61
| | | | | | | | * lib.c (uniq): New function. * lib.h (uniq): Declared. * txr.1: Documented uniq.
* * eval.c (repeatv): Renamed to repeat. Turned into functionKaz Kylheku2014-07-293-9/+27
| | | | | | | | | with one optional argument, reflecting existing behavior. (eval_init): Registration of repeat updated. * txr.1: Fixed incorrect documentation which falsely suggests that repeat takes multiple lists, and doesn't mention the optional count.
* * arith.c (plus, minus, mul): Fix missing breaksKaz Kylheku2014-07-292-0/+12
| | | | | to switch statements, leading to strange error messages when wrong types are passed in.
* * eval.c (eval_init): Register nconc as intrinsic.Kaz Kylheku2014-07-295-3/+32
| | | | | | | | * lib.c (nconcv): New function. * lib.h (nconcv): Declared. * txr.1: Documented nconc.
* * lib.c (reduce_left, reduce_right): Nullify incoming sequenceKaz Kylheku2014-07-292-0/+9
| | | | argument so empty vectors and strings can be processed.
* * eval.c (giterate_func, giterate): Adjusting semantics of giterate toKaz Kylheku2014-07-293-15/+21
| | | | | | | | include seed item in the sequence. The while test is applied to each item before it is passed through the function. Also, eliminated useless rplacd operation. * txr.1: Updated documentation of giterate.
* * eval.c (eval_init): Register partition-by intrinsic.Kaz Kylheku2014-07-285-0/+98
| | | | | | | | | * lib.c (partition_by_func): New static function. (partition_by): New function. * lib.h (partition_by): Declared. * txr.1: Documented partition-by.
* * arith.c (rising_product): Fix wrong m == n case,Kaz Kylheku2014-07-283-5/+12
| | | | | | which breaks the n_perm_k function for k == 1. * txr.1: Fix typo: n-choose-k written in place of n-perm-k.
* * txr.1: Fix bad non-floating-point constant examples.Kaz Kylheku2014-07-281-1/+3
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* * txr.1: typo: List Literals not Lists. FixKaz Kylheku2014-07-281-2/+2
| | | | incorrect octal example.
* Fix 2014-02-05 safety regression: unchecked use of non-function objectsKaz Kylheku2014-07-272-5/+14
| | | | | | | | in some contexts that require functions. * lib.c (funcall, funcall1, funcall2, funcall3, funcall4): check type(fun) before dereferencing to see whether there are optional args.
* * eval.c (giterate_func, giterate): New static functions.Kaz Kylheku2014-07-273-2/+62
| | | | | | (eval_init): Registered giterate as intrinsic. * txr.1: Documented giterate.
* * unwind.h (uw_block_begin): Get rid of the unused typedef trick,Kaz Kylheku2014-07-262-3/+11
| | | | | | | replace with do { } while (0), since we don't have any instances of a uw_block_begin followed by declarations. (uw_catch_begin): Move SYMVAR and EXCVAR inside the do/while block, so that the expansion doesn't begin with a declaration.
* * txr.1: Corrections in "status and error reporting"Kaz Kylheku2014-07-251-13/+20
| | | | section and notes on regular expressions.
* * Makefile, arith.c, arith.h, combi.c, combi.h, configure, debug.c,Kaz Kylheku2014-07-2340-631/+636
| | | | | | | | debug.h, eval.c, eval.h, filter.c, filter.h, gc.c, gc.h, hash.c, hash.h, lib.c, lib.h, match.c, match.h, parser.h, parser.l, parser.y, rand.c, rand.h, regex.c, regex.h, signal.c, signal.h, stream.c, stream.h, syslog.c, syslog.h, txr.c, txr.h, unwind.c, unwind.h, utf8.c, utf8.h: Synchronize license header with LICENSE.
* * match.c (subst_vars): Bugfix: I neglected to apply theKaz Kylheku2014-07-222-1/+7
| | | | | filter which is in effect to the result of interpolating a TXR Lisp expression, oops!
* * parser.y (METANUM): Forgotten %right declaration for thisKaz Kylheku2014-07-222-1/+6
| | | | token has been resulting in a shift-reduce conflict.
* * configure: Add a check, in the case that we cannot make anKaz Kylheku2014-07-227-6/+76
| | | | | | | | | | | | | | | | | executable, whether this is due to being required to use C99. For instance, the Solaris environment requires compilation using the C99 dialect if _XOPEN_SOURCE is set to 600 or higher. * debug.c: When compiling as C99, we have to obey the special C99 conventions for instantiating inline functions. * hash.c: Likewise. * lib.c: Likewise. * parser.y: Likewise. * unwind.c: Likewise.
* * RELNOTES: Updated.Kaz Kylheku2014-07-227-46/+103
| | | | | | | | * configure, txr.1: Bumped version. * share/txr/stdlib/ver.txr: Likewise * arith.c (log2): Change to static.
* * eval.c (me_case): Fix quoting issue in expansion.Kaz Kylheku2014-07-222-1/+7
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* * signal.c (set_sig_handler): Set up and tear down alternateKaz Kylheku2014-07-202-2/+11
| | | | | | | | stack for SIGBUS also, not only for SIGSEGV. On Linux, when stack growth collides with another memory mapping, it triggers a SIGBUS not SIGSEGV, which occurs when the process limit on stack size is exceeded. In either situation, we need an alternative stack.
* * eval.c (caseq_s, caseql_s, casequal_s, memq_s, memql_s, memqual_s,Kaz Kylheku2014-07-203-6/+130
| | | | | | | | | | | eq_s, eql_s, equal_s): New symbol variables. (me_case): New static function. (eval_init): Initialize new variables. Register caseq, caseql and casequal macros. Re-register memq, memql, memqual, eq, eql and equal using new symbol variables. * txr.1: Document case, caseql and casequal.
* * eval.c (eval_init): Register juxt as intrinsic.Kaz Kylheku2014-07-205-0/+58
| | | | | | | | | * lib.c (do_juxt): New static function. (juxtv): New function. * lib.h (juxtv): Declared. * txr.1: Documented juxt.
* * arith.c (divi): Support one-argument form.Kaz Kylheku2014-07-204-8/+26
| | | | | | | | | Use "/" name in error reporting, not "divi". * eval.c (eval_init): Change registration of / so only one argument is required out of two. * txr.1: Document one-argument division.
* * genvim.txr: Fixed highlighting issues in numbers followed by newline.Kaz Kylheku2014-07-203-94/+101
| | | | * txr.vim: Regenerated.
* * lib.c (search_str): Support negative starting index.Kaz Kylheku2014-07-193-6/+27
| | | | | | Hoist uselessly repeated c_str operation out of loop. * txr.1: Document negative starting index for search-str.
* * hash.c (hash_construct): Nullify the pairs argument so thatKaz Kylheku2014-07-193-0/+27
| | | | | | it works correctly with an empty vector. * txr.1: Write missing documentation for hash-construct.
* * eval.c (mapdov): New function.Kaz Kylheku2014-07-195-5/+81
| | | | | | | | | | | (eval_init): Register mapdo intrinsic. * lib.c (mapdo): New function. * lib.h (mapdo): Declared. * txr.1: Documented mapdo. Documented zero-argument case for mapcar, mapcar*, mappend and mappend*.
* * stream.c (put_strings, put_lines): New functions.Kaz Kylheku2014-07-194-5/+65
| | | | | | | | (stream_init): Registered new functions as intrinsics. * stream.h (put_strings, put_lines): Declared. * txr.1: Documented.
* * eval.c (eval_init): Register get-lines as a synonym for lazy-stream-cons.Kaz Kylheku2014-07-195-1/+72
| | | | | | | | | | | * stream.c (get_string): New function. * stream.h (get_string): Declared. (stream_init): get_string registered as get-string intrinsic. * txr.1: Documented get-string, and get-lines as a synonym for lazy-stream-cons. Documented the behavioral difference of lazy-stream-cons lazy lists for real-time and non-real-time streams.
* * txr.1: wording: arguments are omitted, not parameters.Kaz Kylheku2014-07-191-3/+3
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* * Makefile (conftest, conftest2): Link mathKaz Kylheku2014-07-187-4/+76
| | | | | | | | | | | | | | | | | | | library so we can test for math functions. * arith.c (log2_init): New static function. (log2, logtwo): New functions. (l2): New static variable. (arith_init): Call log2_init. * configure (lang_flags): Switching _XOPEN_SOURCE from 500 to 600 to reveal log2. Adding test for log2. * eval.c (eval_init): Register log2 intrinsic. * lib.h (logtwo): Declared. * txr.1: Documented log2.
* * match.c (v_do, v_require): Set up and tear down environment frame,Kaz Kylheku2014-07-152-2/+19
| | | | | | | like other situations that evaluate TXR Lisp from the pattern language. Otherwise obscure things will go wrong. (h_do): Same as above, and additionally, add the forgotten call to install the bindings into the match context.
* * match.c (h_eol): Fix broken horizontal @(eol).Kaz Kylheku2014-07-152-1/+7
| | | | | It should be returning next_spec_k, rather than bindings, which indicate a complete match.
* * tests/001/query-1.txr: Remove bogus public domain header.Kaz Kylheku2014-07-156-20/+12
| | | | | | | | | | * tests/001/query-2.txr: Likewise. * tests/001/query-3.txr: Likewise. * tests/001/query-4.txr: Likewise. * tests/002/query-1.txr: Likewise.
* Fix old, known syntax highlighting problems between symbols,Kaz Kylheku2014-07-153-16/+36
| | | | | | | | | | | | | | | integers and floating literals. * genvin.txr (txr_num): The general solution is to over-match a number by one character: a non-token constituent, and then subtract that from the highlight region using me=e-1. This solves the prefix ambiguities between numbers and symbols. (txr_badnum): New match: matches floating literals with trailing junk, which are highlighted as errors. (txr_directive, txr_list, txr_bracket, txr_mlist, txr_mbracket): All of these contain a txr_badnum. * txr.vim: Regenerated.
* Fix broken regex highlighting.Kaz Kylheku2014-07-153-97/+109
| | | | | | | * genvim.txr (txl_regex): Missing syntactic region added. (txr_regex): Start pattern is just a slash; no optional # in front. * txr.vim: Regenerated.
* * txr.c (txr_main): Allow Lisp code executed via -e and -p options toKaz Kylheku2014-07-142-2/+7
| | | | see the bindings set up by prior -D options.
* * eval.c (eval_init): Register interpose and lconsp as intrinsics.Kaz Kylheku2014-07-145-0/+127
| | | | | | | | | * lib.c (lconsp, interpose): New functions. (lazy_interpose_func, lazy_interpose): New static functions. * lib.h (lconsp, interpose): Declared. * txr.1: Documented lconsp and interpose.
* * txr.1: Fix opening ( balanced by }.Kaz Kylheku2014-07-131-1/+1
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* Version 92.txr-92Kaz Kylheku2014-07-105-4/+36
| | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version. * share/txr/stdlib/ver.txr: Likewise
* * tests/011/macros-2.txr: Added test for labels shadowing macro,Kaz Kylheku2014-07-104-138/+160
| | | | | | | | and let shadowing symacro. * tests/011/macros-2.expected: Regenerated * txr.vim: Regenerated.
* Implementing local function binding constructs.Kaz Kylheku2014-07-103-3/+185
| | | | | | | | | | | | | | | | * eval.c (fbind_s, lbind_s, flet_s, labels_s): New symbol globals. (env_fb_to_fb): New static function. (lookup_mac): Implement the same shadow check for function macros that is done for symbol macros, because we now have local functions that can shadow local macros. (fbindings_helper, op_fbind, make_fun_shadowing_env, expand_fbind_vars, me_flet_labels): New static functions. (expand): Add cases for fbind and lbind. (eval_init): Intern the four new symbols. Register sys:fbind and sys:lbind operators. Register flet and labels macros. * txr.1: Documented flet and labels.
* * eval.c: Comment spelling.Kaz Kylheku2014-07-101-1/+1
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* * eval.c (bindings_helper): New parameter to indicate thatKaz Kylheku2014-07-082-6/+18
| | | | | | | | the caller needs the return value, so the function can avoid consing up a list that will be thrown away. (op_let): Pass nil argument to new parameter of bindings_helper. (op_each, op_for): Pass t to indicate that the return value is needed.
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